Mathematics, 24.11.2019 15:31, liltonio

Is joshs solution for the equation x^2-6x-7=0: x^2-6x-7=0
x^2-6x=7
x^2-6x+9=7+9
(x-3)^2=16
x=19
x-3=-16
x=-13
is joshs solution correct? explain

Answers: 1

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Is joshs solution for the equation x^2-6x-7=0: x^2-6x-7=0
x^2-6x=7
x^2-6x+9=7+9
...